Add a little oil, garlic or garlic salt into a pan, simmer for 30 seconds. Add tomato sauce and a small amount of oregano, simmer 15 minutes. Add the beans, don't drain, then fill can with water and add to sauce. Simmer 20-25 minutes. Boil elbow macaroni in a separate pot, cook until done. Drain except for a small amount of water. Add sauce to the macaroni. Eat with grated cheese.